Founded in 2020 in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe. Since 2021 we expanded further with the opening of our Danish branch in Copenhagen, and our Spanish brand in Madrid, reinforcing our commitment to being a key player in the European technology landscape. Proximity, transparency, and collaboration define our approach at ATS. We aim to be your trusted partner and the first choice for your technological challenges
Integration Specialist
Location: Brussels, Belgium
Work Model: Hybrid (2–3 days per week on-site)
Duration: Long-term assignment (+1 year)
Languages: Excellent communication in French or Dutch, plus English
Eligibility: Candidates must possess European nationality or a valid work permit for Belgium
NOTE: Due to the high volume of applications received, candidates who do not meet the specified criteria may not be contacted
About the Role
We are looking for an experienced Integration Specialist to join a major digital transformation initiative starting in January. If you’re passionate about building robust service-oriented architectures, designing high-quality APIs, and working in a dynamic Agile environment, this role offers the opportunity to make a real impact within a large-scale, enterprise ecosystem.
Bachelor’s degree as a minimum.
At least 3 years of experience in a similar role (integration, SOA, API development).
Experience with Java or similar programming languages.
Strong understanding of SOAP, WSDL, WS-Security, REST principles.
Familiarity with API security and standards (OAuth2, JWT, Swagger).
Knowledge of SOA concepts, microservices architecture, and enterprise integration patterns.
Ability to interpret and transform XML and JSON (XSD, XPath, XQuery, XSLT).
Experience with enterprise integration tools such as:
Oracle Service Bus, Axway, DataPower, WebLogic, OBTM.
Comfortable with Git for version control.
Strong experience with testing tools:
Postman, SOAPUI, ReadyAPI.
Understanding of client frameworks like Axis2, CXF, .NET, JAX-WS RI, etc.
Experience with Agile collaboration tools (Jira, Confluence) and digital whiteboarding tools (Miro, Mural).
Exposure to CI/CD and monitoring stacks (Jenkins, Hudson, ELK).
Familiar with Agile and Scrum practices.
Understanding of project methodologies such as PMBOK or PRINCE2.
Knowledge of ITIL and enterprise architecture frameworks (e.g., TOGAF).
What We Offer:
Attractive salary based on your experience and skills.
Additional benefits: Meal vouchers and eco-vouchers (electronic), DKV hospitalization insurance, company laptop, holiday allowance, and year-end bonus.
Vacation: 20 paid leave days + 12 RTT days.
Free training (technical, behavioral, language) and certifications
Continuous and personalized career progression support
Opportunities to work on projects with cutting-edge technologie
At Moongy Group, we stand for equality and diversity. We create a safe and inclusive environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, gender, disability, sexual orientation, or any factor other than merit. If you have the skills for the role, we encourage you to apply!
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